FRE-600: Fix code review blockers

- Consolidated duplicate UndoManagers to single instance
- Fixed connection promise to only resolve on 'connected' status
- Fixed WebSocketProvider import (WebsocketProvider)
- Added proper doc.destroy() cleanup
- Renamed isPresenceInitialized property to avoid conflict

Co-Authored-By: Paperclip <noreply@paperclip.ing>

node_modules/lodash/_createBind.js

@@ -0,0 +1,28 @@
+var createCtor = require('./_createCtor'),
+    root = require('./_root');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_BIND_FLAG = 1;
+
+/**
+ * Creates a function that wraps `func` to invoke it with the optional `this`
+ * binding of `thisArg`.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+ * @param {*} [thisArg] The `this` binding of `func`.
+ * @returns {Function} Returns the new wrapped function.
+ */
+function createBind(func, bitmask, thisArg) {
+  var isBind = bitmask & WRAP_BIND_FLAG,
+      Ctor = createCtor(func);
+
+  function wrapper() {
+    var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+    return fn.apply(isBind ? thisArg : this, arguments);
+  }
+  return wrapper;
+}
+
+module.exports = createBind;